118655490 has 64 divisors (see below), whose sum is σ = 296524800. Its totient is φ = 30362304.

The previous prime is 118655489. The next prime is 118655497. The reversal of 118655490 is 94556811.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118655497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75331 + ... + 76889.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 2^118655490 is an apocalyptic number.

118655490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118655490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148262400).

118655490 is an abundant number, since it is smaller than the sum of its proper divisors (177869310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118655490 is a wasteful number, since it uses less digits than its factorization.

118655490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 118655490 is about 10892.9100794967. The cubic root of 118655490 is about 491.3933546884.

The spelling of 118655490 in words is "one hundred eighteen million, six hundred fifty-five thousand, four hundred ninety".